Finding the Fourth Proportional to 19,690,531.99, 27,174,440.12 and 10,871,683.92
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Solution
The fourth proportional to 19,690,531.99, 27,174,440.12 and 10,871,683.92 is: 15,003,755.30
Step by Step Solution
- Step 1: Write the proportion equation
19,690,531.99 : 27,174,440.12 = 10,871,683.92 : x - Step 2: Convert to fraction form
19,690,531.99/27,174,440.12 = 10,871,683.92/x - Step 3: Cross multiply
19,690,531.99x = 27,174,440.12 × 10,871,683.92 - Step 4: Simplify right side
19,690,531.99x = 295,431,923,633,248.44 - Step 5: Solve for x
x = 295,431,923,633,248.44/19,690,531.99 - Step 6: Final answer
x = 15,003,755.30
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.